A record-breaking warm wave that led to visions of beaches and tans and summer days ahead said goodbye to the region Wednesday, leaving behind new records for heat in many areas.

Now comes a simple return to typical early spring — sweaters and umbrellas encouraged — even with the ink barely dry from the new marks set by the T-shirt-and-shorts weather of Monday and Tuesday.

There were plenty of new entries.

Livermore touched 90 degrees Tuesday, surpassing its 1977 mark of 82 as the hottest March 25 ever. Redwood City (87 degrees) and Richmond (83) broke marks last set in 1952. Oakland (82) broke by 7 degrees a 28-year-old record.

That followed a Monday that saw record highs in King City (90 degrees), Salinas (85), Oakland (84), Redwood City (83), Livermore (81), Half Moon Bay (81) and Richmond (78). The Half Moon Bay mark was 8 degrees warmer than on the same day in 1941, and the previous marks in King City, Salinas and Richmond all had been set in 1951.

“That was more just a one-off,” NWS meteorologist Roger Gass said. “The high pressure built and that was that. This time of year, warmups are not uncommon.

“We’ve even had warm Januaries and Februaries. But just the activity of the active pattern that’s continuing along the west in general allowed the low pressure to drop down into our area and head out east.”

It remains to be seen whether that brief heat-up will set a tone for hot weather later this spring and into summer. Earth’s 10 hottest years in recorded history all have come in the past decade.

For the time being, the weather pattern will resort to cold-and-gray for the foreseeable future, Gass said. The weather service said temperatures are not expected to get out of the low 60s anywhere in the region through at least next Wednesday, and that the possibility of rain will continue to build during that same period.

It’s a weather pattern that’s more usual in late March than the one that brought the record-breaking warmth, Gass said.

“We’re near normal along the Central Coast and in the East Bay and South Bay,” he said. “It’ll be 4-6 degrees below normal up in the North Bay. It’s just that precipitation that’s expected. It’s gonna bring the clouds, and that’s gonna stick around.”

Forecasters do not have an estimate for when heat may make its way back.

As for the rain, the heaviest of it likely will be “Tuesday or Wednesday of next week,” Gass said. That storm will come after a system that dumps a quarter inch to half inch on the East Bay and South Bay starting Saturday.

The appetizer for those was expected to arrive late Wednesday into today, with a system that’s expected to drop about a 10th of an inch of most of the region and perhaps half an inch in the North Bay.

Coastal instability will cause waves to get higher, and the weather service issued a high surf advisory and beach hazards statement beginning at 5 a.m. today and running through 11 a.m. Friday.

“These next few systems will be generally weak,” Gass said. “There’s not gonna be a lot of major rainfall outside the beach locations.”